Canadian Wildfires Threaten Towns and US Air Quality

Evacuations underway as over 100 blazes burn across Canada, sending smoke into the US Midwest.

Thousands evacuated from towns in British Columbia, Manitoba, and Alberta.
Air quality alerts issued in multiple US states including Minnesota and Wisconsin.
'Zombie fires' from previous seasons reignite, complicating firefighting efforts.
Canadian wildfire season expected to be severe due to prolonged drought and high temperatures.
NASA satellites capture smoke plumes drifting into the US, affecting air quality.